Home / 1,887,783.64-2,830,178.58-989,053

Finding the Fourth Proportional to 1,887,783.64, 2,830,178.58 and 989,053

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Solution

The fourth proportional to 1,887,783.64, 2,830,178.58 and 989,053 is: 1,482,795.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,783.64 : 2,830,178.58 = 989,053 : x
  2. Step 2: Convert to fraction form
    1,887,783.64/2,830,178.58 = 989,053/x
  3. Step 3: Cross multiply
    1,887,783.64x = 2,830,178.58 × 989,053
  4. Step 4: Simplify right side
    1,887,783.64x = 2,799,196,615,084.74
  5. Step 5: Solve for x
    x = 2,799,196,615,084.74/1,887,783.64
  6. Step 6: Final answer
    x = 1,482,795.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.